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  • TPS65140-Q1: looking for a replacement device

    Part Number: TPS65140-Q1 Hi Sir, My customer is looking for a replacement device for RTQ6749-QT-A2, could you please advise if there have any solutions? RTQ6749-QT-A2: DSQ6749-QT-A2-02.pdf

  • TPS65140-Q1: Can we don't use the boost converter?

    Part Number: TPS65140-Q1 Other Parts Discussed in Thread: TPS65140 , TPS65131 Hi team, My customer only uses the negative and positive charge pump and LDO for +18V and -11V. They don't need the boost converter output. But I see the SUP pin need to be connected…

  • TPS65140: Instantaneous switch 65140, vout output and input voltage are 5V, after shutdown, wait 2s to start, vout output normal 12V

    Part Number: TPS65140 After turning off, you need to wait for 2S, and you can output 12V normally after turning on. If it is turned off and turned on again immediately, the chip output is only 5V, which is the same as the input voltage. The normal voltage…
    • Answered

  • TPS65140-Q1: Looking for device to power LCD

    Resolved
    Part Number: TPS65140-Q1 Other Parts Discussed in Thread: PMP9780 , TPS65131 Dear team, Could you please help recommend one appropriate device to support below LCD specs? VIN=VDD=3.3V, there are four output voltages as below. Thanks & Best Regards,…
    • Resolved
    • Answered

  • TPS65140-Q1: Require about bad low output of V03 of TPS65140

    Resolved
    Part Number: TPS65140-Q1 Other Parts Discussed in Thread: TPS65140 , TPS65141 Hi, I am Hwadong Song of TOVIS As I wroted in title, our tps65140 power circuit doesn't work well. Specifically, the output is too low(0V or 7V). So could you check wheth…
    • Resolved

  • TPS65140: Inquire of malfunction in V03(LCD Vgh Voltage)

    TI Thinks Resolved
    Part Number: TPS65140 Hi, I am Hwadong Song of TOVIS co. ltd. in Korea. I am trying to apply tps65140 IC in our LCD module driving Board. But in our circuit as attached file, the V03 voltage is not correct. (Specifically, V03 is 0V, and other V01 & V02…
    • Answered

  • TPS65140: Error in Datasheet, equation 1?

    Resolved
    Part Number: TPS65140 Hey there, i was going through the design steps for the TPS65140 and stumbled over the first equation. Are you shure the equation and the result is right? I typed it into my calcuator and get 1.288....and not 0.73 as in the Datasheet…
    • Resolved

  • TPS65140: TPS65140: DMD_PWR_EN pulls high, the P5V is pulled down, resulting in a drop in the input 5V voltage.

    TI Thinks Resolved
    Part Number: TPS65140 Dear all， Attached is the schematic diagram. On page 5, it is the circuit diagram of TPS65140. The following is the screenshot.Arrow P5V is 5V power input, output VOFFSET, VRST, VBAIS and P3P3V_TPS. The power chip enable pin is powered…

  • TINA/Spice/TPS65140: TPS65140 simulated tool

    TI Thinks Resolved
    Part Number: TPS65140 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models Hi Team, My customer would like to confirm the loop stability on TPS65140, do you have any simulated tool (TINA or …) can share with us? Thanks…

  • TPS65140: Adjusting the Vo4 to 3V6

    Part Number: TPS65140 Other Parts Discussed in Thread: TPS65100 Hello, Team I am working to replace MAX1531ET by TPS65140PWPR in a Infotaiment system. This will drive a 7” TFT bipolar display , that requires the following voltages: +16V, -7V…

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